# vim: filetype=sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
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# or http://www.opensolaris.org/os/licensing.
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#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.

# BLOCK_SIZE, QUOTA_VALUE and TOLERANCE set in quota.cfg
readonly EDQUOT=69

#
# Function to fill the quota of a zfs filesystem
#
# $1 - The File system or container to fill.
# $2 - The mountpoint to use.
#
function fill_quota 
{
	typeset FILESYSTEM="$1"
	typeset MNTPT="$2"

	log_must $ZFS set quota=$QUOTA_VALUE $FILESYSTEM

	typeset -i write_size=0
	(( write_size = 2 * QUOTA_VALUE ))

	typeset -i zret=0
	$FILE_WRITE -o create -f $MNTPT/$TESTFILE1 -b $BLOCK_SIZE \
		 -c $write_size -d 0 
	zret=$?
        [[ $zret -ne EDQUOT ]] && log_fail "Got error $zret; expected $EDQUOT"

	typeset -i file_size=`$LS -ls $MNTPT/$TESTFILE1 | $AWK '{ print $1 }'`
	typeset -i limit=0
	(( file_size = file_size * 512 ))
	(( limit = QUOTA_VALUE + TOLERANCE ))
	(( file_size > limit )) && \
	    log_fail "File was created larger than the quota value, aborting!!!"
	return 0
}

#
# Function attempts to write another file in a ZFS filesystem
# that has already filled its quota
#
function exceed_quota
{
	typeset FILESYSTEM="$1"
	typeset MNTPT="$2"

	log_must fill_quota $FILESYSTEM $MNTPT
	typeset -i write_size=0
        (( write_size = 2 * QUOTA_VALUE ))
	typeset -i zret=0 
	#
	# Writing a file without API to access return code
	#
	log_note "Creating a file in a FS that has already exceeded its quota"
	$FILE_WRITE -o create -f $MNTPT/$TESTFILE2 \
		-b $BLOCK_SIZE -c $write_size -d 0
	zret=$?
        [[ $zret -ne EDQUOT ]] && log_fail "Got error $zret; expected $EDQUOT"
	return 0
}
